first try

.vscode/settings.json

@@ -1,7 +1,7 @@
 {
     "java.configuration.updateBuildConfiguration": "interactive",
     "[java]": {
-        "editor.defaultFormatter": "redhat.java",
+        "editor.defaultFormatter": "serikb.google-java-format",
         "editor.formatOnSave": true,
     },
     "java.format.settings.url": "https://raw.githubusercontent.com/google/styleguide/gh-pages/eclipse-java-google-style.xml",

pom.xml

@@ -61,6 +61,11 @@
 			<artifactId>commons-lang</artifactId>
 			<version>2.6</version>
 		</dependency>
+    <dependency>
+      <groupId>com.google.code.gson</groupId>
+      <artifactId>gson</artifactId>
+      <version>2.10.1</version>
+    </dependency>
 		<dependency>
 			<groupId>org.apache.commons</groupId>
 			<artifactId>commons-math3</artifactId>

src/main/java/neqsim/processSimulation/util/monitor/CompressorResponse.java

@@ -8,7 +8,7 @@
  * @author asmund
  * @version $Id: $Id
  */
-public class CompressorResponse {
+public class CompressorResponse extends Response{
     public String name = "test";
 
     public Double suctionTemperature;

src/main/java/neqsim/processSimulation/util/monitor/HXResponse.java

@@ -10,7 +10,7 @@
  * @author asmund
  * @version $Id: $Id
  */
-public class HXResponse {
+public class HXResponse extends Response{
     public String name = "test";
 
     public Double feedTemperature1;

src/main/java/neqsim/processSimulation/util/monitor/HeaterResponse.java

@@ -10,7 +10,7 @@
  * @author asmund
  * @version $Id: $Id
  */
-public class HeaterResponse {
+public class HeaterResponse extends Response{
     public String name = "test";
 
     public Double feedTemperature;

src/main/java/neqsim/processSimulation/util/monitor/MPMResponse.java

@@ -10,7 +10,7 @@
  * @author asmund
  * @version $Id: $Id
  */
-public class MPMResponse {
+public class MPMResponse extends Response{
     public String name;
     public Double massFLow, GOR, GOR_std, gasDensity, oilDensity, waterDensity;
 

src/main/java/neqsim/processSimulation/util/monitor/PumpResponse.java

@@ -10,7 +10,7 @@
  * @author asmund
  * @version $Id: $Id
  */
-public class PumpResponse {
+public class PumpResponse extends Response{
     public String name = "test";
 
     public Double suctionTemperature;

src/main/java/neqsim/processSimulation/util/monitor/Response.java

@@ -0,0 +1,16 @@
+package neqsim.processSimulation.util.monitor;
+
+import java.util.HashMap;
+import java.util.Map;
+import neqsim.thermo.system.SystemInterface;
+import neqsim.util.NamedBaseClass;
+import com.google.gson.Gson; 
+
+public class Response {
+
+    public String toJson() throws Exception {
+        Gson gson = new Gson();
+        return gson.toJson(this);
+    }
+
+}

src/main/java/neqsim/processSimulation/util/monitor/SeparatorResponse.java

@@ -11,7 +11,7 @@
  * @author asmund
  * @version $Id: $Id
  */
-public class SeparatorResponse {
+public class SeparatorResponse extends Response{
   public String name;
   public Double gasLoadFactor;
   public Double massflow;

src/main/java/neqsim/processSimulation/util/monitor/StreamResponse.java

@@ -8,7 +8,7 @@
  * @author asmund
  * @version $Id: $Id
  */
-public class StreamResponse {
+public class StreamResponse extends Response{
     public String name;
     public Fluid fluid;
     public Double temperature;

src/main/java/neqsim/processSimulation/util/monitor/ThreePhaseSeparatorResponse.java

@@ -11,7 +11,7 @@
  * @author asmund
  * @version $Id: $Id
  */
-public class ThreePhaseSeparatorResponse {
+public class ThreePhaseSeparatorResponse extends Response{
     public String name;
     public Double gasLoadFactor;
     public Double massflow;

src/main/java/neqsim/processSimulation/util/monitor/WellAllocatorResponse.java

@@ -10,7 +10,7 @@
  * @author asmund
  * @version $Id: $Id
  */
-public class WellAllocatorResponse {
+public class WellAllocatorResponse extends Response{
     public String name;
     public Double gasExportRate, oilExportRate, totalExportRate;